Port Jefferson Weather Today

Temperature, Feels Like, Rain Chance & Hourly Forecast in Port Jefferson

Port Jefferson temperature today is 11°, feels like 10°, with humidity at 80% and wind at 9.25 km/h. Rain chance today is 0%. Use the hourly forecast and 5-day outlook below to plan your day.

broken clouds
11°
broken clouds
H: 12° L: 9°
Feels like 10°
AQI: (/5)
Humidity
80%
Dew 7°
Wind speed
9.25 km/h
SE
Pressure
1011 hPa
Visibility
10 km
Weather Summary
Currently in Port Jefferson, expect varied conditions with mild temperatures around 11°. Winds are a light breeze.
Precipitation Probability
0%
20
0%
23
100%
02
100%
05
100%
08
20%
11
20%
14
0%
17
0%
20
27%
23
0%
02
0%
05
0%
08
0%
11
0%
14
0%
17
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
14°
Wed
20:00
12°
 
11°
 
10°
 
12°
Thu
08:00
10°
 
11°
 
11°
 
10°
Thu
20:00
10°
 
10°
 
 
Fri
08:00
11°
 
13°
 
14°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
05:52
Sunset
Sunset
19:46
Moon Phase
Waxing Gibbous (98%)
Timezone: GMT+05:30
Last updated: Apr 29, 2026 11:00 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
40.946491
Longitude
Longitude
-73.069267
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More about Port Jefferson
Content curated by the NearWeather editorial team · Updated periodically
Port Jefferson is a hamlet and census-designated place in the Town of Brookhaven in Suffolk County, New York, on the North Shore of Long Island. It is situated on the north shore of the Long Island Sound, and is the largest village within the town of Brookhaven. The climate in Port Jefferson is humid subtropical, with warm summers and cold winters. The average high temperature in the summer is around 81°F (27°C), while the average low temperature in the winter is around 28°F (-2°C). Year-round, the average temperature is around 54°F (12°C). The average precipitation is around 44 inches (112 cm) annually.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Port Jefferson
What is the Latitude and Longitude of Port Jefferson?

Port Jefferson's Latitude is 40.946491 & Longitude is -73.069267.

What is the weather in Port Jefferson today?

Weather in Port Jefferson is 11° today.

What is the climatic condition of Port Jefferson today?

Climate Conditions in Port Jefferson shows broken clouds today.

What is the humidity in Port Jefferson today?

Humidity in Port Jefferson is 80% today.

What is the wind speed in Port Jefferson today?

Wind speed in Port Jefferson is 9.25 km/h, flowing at 140° SE wind direction.

What does it feel like in Port Jefferson today?

It feels like 10° in Port Jefferson today, with 75% cloud cover and 10 km visibility.

Weather in Port Jefferson